201420124402 has 16 divisors (see below), whose sum is σ = 354623849280. Its totient is φ = 83989858608.

The previous prime is 201420124393. The next prime is 201420124517. The reversal of 201420124402 is 204421024102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194420452 + ... + 194421487.

It is an arithmetic number, because the mean of its divisors is an integer number (22163990580).

Almost surely, 2^201420124402 is an apocalyptic number.

201420124402 is a deficient number, since it is larger than the sum of its proper divisors (153203724878).

201420124402 is a wasteful number, since it uses less digits than its factorization.

201420124402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388841985.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 201420124402 its reverse (204421024102), we get a palindrome (405841148504).

The spelling of 201420124402 in words is "two hundred one billion, four hundred twenty million, one hundred twenty-four thousand, four hundred two".